CN102292324A - Novel cycloalkene derivatives and organic electronic devices using the same - Google Patents
Novel cycloalkene derivatives and organic electronic devices using the same Download PDFInfo
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- CN102292324A CN102292324A CN2010800050814A CN201080005081A CN102292324A CN 102292324 A CN102292324 A CN 102292324A CN 2010800050814 A CN2010800050814 A CN 2010800050814A CN 201080005081 A CN201080005081 A CN 201080005081A CN 102292324 A CN102292324 A CN 102292324A
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Abstract
The present invention relates to a novel cycloalkene derivative and an organic electronic device using the same. The cycloalkene derivative according to the present invention functions as a hole-injection, hole-transport, electron-injection, electron-transport, or light-emitting material, and especially, independently functions as a light-emitting host or dopant, in an organic electronic device such as an organic light-emitting device.
Description
Technical field
The present invention relates to new cycloalkene derivative and use its organic electronic devices.The application requires the right of priority of on January 20th, 2009 to the korean patent application No.10-2009-0004600 of KIPO submission, and whole disclosures of this application are included this paper by reference in.
Background technology
Organic electronic devices is meant the device that need utilize hole and/or electronics exchange charge between electrode and organic materials.Described organic electronic devices is broadly divided into following two classes according to principle of work.First, have a kind of electron device, wherein form a kind of exciton (exiton) by the photon that flows to this device from external light source a kind of organic material layer, described exciton is divided into electronics and hole, described electronics moves to different electrodes respectively with the hole, and as current source (voltage source).The second, there is a kind of electron device, wherein, hole and/or electronics form in the organic materials semi-conductor at interface by being injected into respect to electrode, and described device is by injected electrons and hole operation.
Examples of organic electronic is Organic Light Emitting Diode, organic solar batteries, organic photoconductor (OPC), organic transistor etc., these devices need hole injection or transport material, electronics injection or transport material or luminescent material, to drive described device.
Hereinafter, will mainly describe Organic Light Emitting Diode in detail.But in described organic electronic devices, hole injection or transport material, electronics injection or transport material or luminescent material move based on similarity principle.
Generally speaking, the organic light emission phenomenon is meant a kind of by using organic materials electric energy to be changed into the phenomenon of luminous energy.Utilize the Organic Light Emitting Diode of organic light emission phenomenon to have a kind of structure, this structure comprises an anode, a negative electrode and an organic layer that places therebetween usually.Herein, most of organic material layers all have a kind of multilayered structure that comprises differing materials, to increase the efficient and the stability of Organic Light Emitting Diode, can comprise for example hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer etc.In described organic LED structure, if apply voltage between two electrodes, then the hole is from anode injection organic material layer, electronics is from negative electrode injection organic material layer, when injected holes and electronics meet each other, forms exciton, when this exciton when ground state is landed, just send light.Performances such as that known this Organic Light Emitting Diode has is luminous such as magnetic, high brightness, high-level efficiency, low driving voltage, wide visual angle, high-contrast, the high speed of response.
In described Organic Light Emitting Diode, the material that is used as organic material layer can be divided into luminescent material and charge transfer material according to its function, for example hole-injecting material, hole mobile material, electron transport material, electronics injecting material etc.Described luminescent material can be divided into polymer and low molecule-type according to molecular weight, the phosphorescent material that can divide for fluorescent material that the singlet excited by electric field obtains and be obtained by the triplet excited state of electric field according to luminous mechanism.In addition, described luminescent material can be divided into blueness, green and red illuminating material and yellow and orange luminescence material for realizing that better Natural color designs according to glow color.
Simultaneously, under the situation of only using a kind of material as luminescent material,, maximum emission wavelength is moved to long wave, and can reduce colour purity or owing to the decay of luminescence effect reduces diode efficient by the interaction between the molecule.Therefore, increase colour purity and increase luminous efficiency, can use matrix/doping agent system as luminescent material for shifting by energy.Principle is, if a small amount of band-gap energy is mixed with described luminescent layer than the low doping agent of matrix that forms luminescent layer, then by the exciton transfer of luminescent layer generation to doping agent, thereby with high efficiency light-emitting.In the case, because the wavelength of matrix moves to the wavelength bandwidth of doping agent, so can obtain required optical wavelength according to the kind of used doping agent.
For making Organic Light Emitting Diode fully demonstrate above-mentioned premium properties, constitute the material of organic material layer (for example hole-injecting material, hole mobile material, luminescent material, electron transport material, electronics injecting material etc.) in the diode, should take on by stable and effective material.But, the stable and effective organic materials layer material that is used for Organic Light Emitting Diode is not developed as yet.Therefore, need a kind of new material of exploitation, and even above-mentioned other organic electronic devicess are also had similarly necessity of exploitation novel material.
Summary of the invention
Technical problem
Made great efforts to make the present invention so that a kind of new stable and effective cycloalkene derivative and a kind of organic electronic devices that uses it to be provided.
Technical scheme
An exemplary of the present invention provides a kind of compound by following formula 1 expression.
[formula 1]
Wherein
R
1Be one by-[Ar]
mThe substituting group group that-X represents,
P is an integer among the 0-3, and l is an integer among the 1-4, and m is an integer among the 0-5,
Ar is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S arylene group or a replacement or unsubstituted
2-C
50Divalent heterocyclic group,
Ar ' is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
X is a substituting group group that is selected from following structural formula,
In the said structure formula, Cy is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
R
2Be selected from: C replacement or unsubstituted
1-C
40Alkyl group; That replace or unsubstituted C
1-C
40Alkoxy base; That replace or unsubstituted C
2-C
40Alkenyl group; That replace or unsubstituted C
6-C
50Aromatic yl group; That replace or unsubstituted C
6-C
50The arylamines group; The C that contains N, O or the assorted element of S that replace or unsubstituted
2-C
50The heteroaryl amine groups; The C that contains O, N or the assorted element of S that replace or unsubstituted
2-C
50Heterocyclic group; The amino group that replaces; Nitrile group; Nitryl group; Halogen group; And amine groups,
N is an integer among the 0-5, and o is an integer among the 0-10, and o be 2 or bigger situation under, each R
2Each other can be identical or different, and
L, m or p be 2 or bigger situation under, Ar, Ar ' or R
1Each other can be identical or different.
Another exemplary of the present invention provides a kind of organic electronic devices, it comprises first electrode, second electrode and one or more organic material layer that places between described first electrode and second electrode, and wherein one or more layers in the organic material layer comprises the compound by formula 1 expression.
Beneficial effect
The compound of illustrative embodiments of the invention can be used as hole-injecting material, hole mobile material, electronics injecting material and electron transport material or the luminescent material in Organic Light Emitting Diode and the organic electronic devices, and the organic electronic devices of illustrative embodiments of the invention efficient, driving voltage and stable aspect demonstrate premium properties.
Description of drawings
Fig. 1 is the synoptic diagram of the structure of the Organic Light Emitting Diode of an exemplary of explanation the present invention.
Fig. 2 is for preparing the MS spectrum of the compd A of preparation among the embodiment 1 in the present invention.
Fig. 3 is for preparing the MS spectrum of the compound 2 of preparation among the embodiment 2 in the present invention.
Fig. 4 is for preparing the MS spectrum of the compound 77 of preparation among the embodiment 3 in the present invention.
Fig. 5 is for preparing the MS spectrum of the Compound C of preparation among the embodiment 4 in the present invention.
Fig. 6 is for preparing the MS spectrum of the compound 10 of preparation among the embodiment 5 in the present invention.
Embodiment
Hereinafter, the present invention will be described in more detail.
An exemplary of the present invention relates to the compound of formula 1 expression.
[formula 1]
Wherein
R
1Serve as reasons-[Ar]
mThe substituting group group that-X represents,
P is an integer among the 0-3, and l is an integer among the 1-4, and m is an integer among the 0-5,
Ar is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S arylene group or a replacement or unsubstituted
2-C
50Divalent heterocyclic group,
Ar ' is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
X is a substituting group group that is selected from following structural formula,
In the said structure formula, Cy is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
R
2Be selected from: C replacement or unsubstituted
1-C
40Alkyl group; That replace or unsubstituted C
1-C
40Alkoxy base; That replace or unsubstituted C
2-C
40Alkenyl group; That replace or unsubstituted C
6-C
50Aromatic yl group; That replace or unsubstituted C
6-C
50The arylamines group; The C that contains N, O or the assorted element of S that replace or unsubstituted
2-C
50The heteroaryl amine groups; The C that contains O, N or the assorted element of S that replace or unsubstituted
2-C
50Heterocyclic group; The amino group that replaces; Nitrile group; Nitryl group; Halogen group; And amine groups,
N is an integer among the 0-5, and o is an integer among the 0-10, o be 2 or bigger situation under, each R
2Each other can be identical or different, and
L, m or p be 2 or bigger situation under, Ar, Ar ' or R
1Each other can be identical or different.
In this exemplary of the present invention, in formula 1, be that following formula and CY are C at X
6Aryl is under the situation of phenyl ring, and n is preferably 1 or bigger, and more preferably 1 or 2.
In this exemplary of the present invention, in formula 1, be under the situation of following formula at X, preferred R
1Be arranged in 9 of formula 1 anthracene, and at least one Ar ' is positioned at 10 of anthracene.In the case, at least one substituting group group can be positioned at another position of anthracene in addition.
In this exemplary of the present invention, in formula 1, be under the situation of following formula at X, p is an integer among the 1-3, and Ar ' is preferably a C replacement or unsubstituted
6-C
50The C that contains the assorted element of a N aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group, and a replacement more preferably or unsubstituted C
6-C
50Aromatic yl group.
In formula 1, more preferably m is 0 or 1.
In formula 1, be that preferred l is 2-4 under 0 the situation at p.
In formula 1, under alkyl, alkoxyl group, thiazolinyl, aryl, arylamines, heteroaryl amine or the substituted situation of heterocyclic group, preferred described group is selected from following substituting group and replaces by one or more: heavy hydrogen, halogen, alkyl, thiazolinyl, replacement or unsubstituted alkoxyl group, replacement or unsubstituted arylamines, replacement or unsubstituted aryl, replacement or unsubstituted arylalkyl, replacement or unsubstituted aryl alkenyl, replacement or unsubstituted heterocyclic, itrile group and replacement or unsubstituted ethynyl.Under the substituted situation of amino group, preferably this group is selected from following substituting group and replaces by one or more: alkyl, thiazolinyl, replacement or unsubstituted aryl, replacement or unsubstituted arylalkyl and replacement or unsubstituted aryl alkenyl.
Preferably the compound by formula 1 expression is with following formula 2-1 or formula 2-2.
Formula 2-1 formula 2-2
In formula 2-1 and formula 2-2, R
1Identical with Ar ' with the definition in the formula 1, and at R
1Have under the situation more than 2, can be same to each other or different to each other, and
L is an integer among the 1-3.
In addition, the compound of preferably being represented by formula 1 is with following formula 3-1 or formula 3-2.
In formula 3-1 and formula 3-2, R
1Identical with Ar ' with the definition in the formula 1, and at R
1Have under the situation more than 2, can be same to each other or different to each other, and
L is an integer among the 0-2.
In addition, be with following formula 4-1 any to the formula 4-4 preferably by the compound of formula 1 expression.
At formula 4-1 to formula 4-4, each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other, and
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
In addition, be with following formula 5-1 any to the formula 5-3 preferably by the compound of formula 1 expression.
At formula 5-1 to formula 5-3, each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other, and
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
In addition, be with following formula 6-1 any to the formula 6-4 preferably by the compound of formula 1 expression.
At formula 6-1 to formula 6-4, each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other, and
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
In addition, be with following formula 7-1 any to the formula 7-4 preferably by the compound of formula 1 expression.
Formula 7-1 formula 7-2
At formula 7-1 to formula 7-4, each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other, and
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
In addition, be with following formula 8-1 any to the formula 8-5 preferably by the compound of formula 1 expression.
At formula 8-1 to formula 8-5, each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other, and
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
Above various in, preferred Ar is by C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10Replace or the unsubstituted C of alkyl silyl-group
6-C
26Arylidene; Or by C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Divalent heterocyclic group.
In addition, the arylene group among the preferred described Ar is selected from phenylene, naphthylidene, biphenylene, anthrylene and following structural formula.
Above various in, preferred R
2Be C
1-C
10Alkyl group; Replaced or unsubstituted C by following group
6-C
26Aromatic yl group: C
1-C
10Alkyl, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group; Or replaced by following group or unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Heterocyclic group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group.
Above various in, preferred R
1Be selected from the group of representing by following structural formula, but R
1Be not limited thereto.
Above various in, preferred
Above various in, Ar ' is preferably by following group and replaces or unsubstituted C
6-C
26Aromatic yl group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group; Or replaced by following group or unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Heterocyclic group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group, Ar ' more preferably is selected from the substituting group group of being represented by following structural formula, but is not limited thereto.
The specific embodiment of the compound of preferred illustrative embodiments of the invention is selected from following compound 1-88, but is not limited thereto.
The boronic acid compounds that the compound of illustrative embodiments of the invention can be by making anthracene derivant and the halogenide of cycloalkene derivative react each other and prepare.In the case, can use reaction conditions known in the art.For example.The boronic acid compounds of anthracene derivant and the halogenide of cycloalkene derivative can four triphenylphosphines close palladium and potassiumphosphate in the presence of the reaction each other by adding solvent (for example water and THF).
Second aspect of the present invention relates to a kind of organic electronic devices, it comprises first electrode, second electrode, one or more organic material layer that places between described first electrode and second electrode, and wherein one or more layers in the organic material layer comprises above-claimed cpd.
In this article, organic material layer can comprise electronics or hole injection layer and electronics or hole transmission layer, and described electronics or hole injection layer and described electronics or hole transmission layer can comprise above-claimed cpd.
In addition, described organic material layer can comprise luminescent layer, and described luminescent layer can comprise above-claimed cpd.
In the case, preferred described organic electronic devices is selected from Organic Light Emitting Diode, organic solar batteries, organic photoconductor (OPC) and organic transistor.
When the preparation organic electronic devices, the compound of illustrative embodiments of the invention can form an organic material layer by vacuum deposition method and solution coat method.Herein, the illustrative of solution coat method but non-limiting instance comprises spin-coating method, dip coating, ink jet printing method, silk screen print method, spray method and rolling method.
Organic electronic devices of the present invention can use material known in the art and method preparation, and difference is that the one deck at least in the organic material layer comprises compound of the present invention, i.e. formula 1 compound.
The organic material layer of organic electronic devices of the present invention can have a kind of single layer structure, or is laminated with the multilayered structure of two or more organic material layers.For example, the organic electronic devices of illustrative embodiments of the invention can have a kind of like this structure, and this structure comprises hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and the electron injecting layer as organic material layer.But the structure of described organic electronic devices is not limited thereto, and can comprise the organic material layer of lesser number.
In addition, organic electronic devices of the present invention can for example prepare by stacked in succession one first electrode, organic material layer and one second electrode on a kind of substrate.In the case, can use physical vapor deposition (PVD, Physical Vapor Deposition) method, for example sputtering method (sputtering) or electron-beam vapor deposition method (e-beam evaporation), but described method is not limited thereto.
For anode material, general preferred use has high work function (work function) so that successfully the hole is injected into material in the organic material layer.The detailed example of the anode material that can use in the present invention has metal, for example vanadium, chromium, copper, zinc, gold etc., or its alloy; Metal oxide, for example zinc oxide, indium oxide, indium tin oxide (ITO), indium-zinc oxide (IZO) etc.; The composition of metal and oxide compound, for example ZnO:Al or SnO
2: Sb; And conductive polymers, for example poly-(3 methyl thiophene), poly-[3,4-(ethylidene-1,2-dioxy base) thiophene] (PEDT), polypyrrole and polyaniline, but be not limited thereto.
For cathode material, general preferred use has low work function so that smoothly electronics is injected the material of described organic material layer.The detailed example of cathode material has metal, for example magnesium, calcium, sodium, potassium, titanium, indium, iridium, lithium, gadolinium, aluminium, silver, tin and lead, or its alloy; And sandwich, for example LiF/Al or LiO
2/ Al, but be not limited thereto.
Described hole-injecting material is for can under low pressure receiving the material from the anodic hole well, the HOMO of preferred described hole-injecting material (highest occupied molecular orbital, highest occupied molecular orbital) is worth between the HOMO of the work function of anode material and contiguous organic material layer.The detailed example of hole-injecting material has the organic materials of organic materials, six nitriles, six azepine benzophenanthrenes (hexanitrile hexaazatriphenylene) and quinacridone (quniacridone) series of metalloporphyrin (porphyrine), oligothiophene and arylamines series; the organic materials of perylene (perylene) series, with the conductive polymers of anthraquinone, polyaniline and Polythiophene series, but be not limited thereto.
Described hole mobile material is transferred to the material of luminescent layer, the preferred material with big hole mobility that uses for receiving from the hole of anode or hole injection layer and with the hole that receives.Its detailed example has organic materials, the conducting polymer based on arylamines and comprises the block polymer of conjugate moiety and non-conjugated part simultaneously, but is not limited thereto.
Thereby described luminescent material is for receiving respectively from the hole and the electronics of hole transmission layer and electron transfer layer and make their materials in conjunction with the light of visible emitting scope, the preferred material that fluorescence or phosphorescence are had good photon efficiency that uses.Its detailed example has 8-hydroxyl-quinoline aluminum complex compound (Alq
3); Compound based on carbazole; Two polystyrene-based (dimerized styryl) compound; BAlq; 10-hydroxy benzo quinoline-metallic compound; Compound based on benzoxazole, benzothiazole and benzoglyoxaline; Based on poly-(to phenylene vinylidene) polymkeric substance (PPV); Volution (spiro) compound; Poly-fluorenes, lubrene etc., but be not limited thereto.
Described electron transport material is for receiving well from the electronics of negative electrode and with the transfer transport that the receives material to luminescent layer, the material that preferred use has big electronic mobility.Its detailed example has the oxine aluminium complex; Contain Alq
3Complex compound; Organic free radical compound; Flavonol metal complex etc., but be not limited thereto.
Organic Light Emitting Diode of the present invention can be top emission type, bottom-face luminous type or lighting at two sides type according to material therefor
The compounds of this invention in addition can be in organic electronic devices (for example organic solar batteries, organic photoconductor and organic transistor), with the similar principle operation of the principle that is applied to Organic Light Emitting Diode.
Embodiment
Preparation will be described in detail in preparation embodiment and embodiment by the method for the organic electronic devices that this compound is used in the compound and the preparation of formula 1 expression.But, describes described preparation embodiment and embodiment and be for the present invention is described, but scope of the present invention is not limited thereto.
Preparation embodiment
<preparation embodiment 1〉compd A synthetic
With the tricresyl phosphite phenylester [(PhO)
3P] (18.5mL 70mmol) places 200mL anhydrous methylene chloride and be cooled to-78 ℃.Under nitrogen atmosphere, slowly add bromine (4mL, 77mmol).Thereafter, add Trimethylamine Anhydrous (12mL, 84mmol) and Tetralone an intermediate of Sertraline (tetrarone) (9.36g, 64mmol) and under condition of stirring at 18 hours internal heating to room temperature.Thereafter, by heat about 2 hours, reflux and use chromatography purification, obtain the 12.8g compd A, productive rate is 96%.[M+]=208
<preparation embodiment 2〉compound 2 synthetic
4g compound S 1 (11.4mmol), 2.4g compd A (11.4mmol), 265mg four triphenylphosphines are closed palladium (Pd[PPh
3]
4, 0.229mmol) with 4.87g potassiumphosphate (K
3PO
4, 22.9mmol) place 100mL water and 100ml THF, and reflux and stirring.After 18 hours, temperature is reduced to normal temperature, isolates organic layer.By except that the solid that desolvates and recrystallization produces in chloroform/methanol, obtain 3.08g compound 2, productive rate is 62%.[M+H]=433
<preparation embodiment 3〉compound 77 synthetic
4g compound S 2 (7.2mmol), 1.65g compd A (7.9mmol), 166mg four triphenylphosphines are closed palladium (Pd[PPh
3]
4, 0.143mmol) with 3.04g potassiumphosphate (K
3PO
4, 14.3mmol) place 100mL water and 100ml THF, and reflux and stirring.After 18 hours, temperature is reduced to normal temperature, isolates organic layer.By except that the solid that desolvates and recrystallization produces in chloroform/methanol, obtain 3.6g compound 77, productive rate is 89%.[M+H]=559
<preparation embodiment 4〉Compound C synthetic
Below prepare disclosed method enforcement among the open text No.10-2007-0043664 of the patent application of looking into according to Korean unexamined.
With indenes (indene, 259mmol, 30g) and distilled water (9mL) place methyl-sulphoxide (DMSO, 90mL) in, cool the temperature to 0 ℃, and to wherein slowly add N-bromo-succinimide (NBS, 263mmol, 46.9g).The temperature of this solution is risen to normal temperature, and stirred this solution 12 hours., by distilled water make reaction finish after, use the extracted with diethyl ether organic layer, remove moisture by anhydrous magnesium sulfate thereafter.After the filtration under diminished pressure, by the pressure that reduces filtrate remove desolvate and in hexane recrystallization, obtain compd B (38.9g, 72%).
(p-TsOH, 2.6mmol 0.5g) are dissolved in the 60mL toluene, and stirring heating 24 hours, anhydrate by using the Tin-Stock method to remove simultaneously with 14.3g compd B and tosic acid.By solution temperature being reduced to normal temperature and using fractionating process to obtain Compound C (7.8g, 60%).
[M]+=194
<preparation embodiment 5〉compound 10 synthetic
4g compound S 1 (11.4mmol), 2.69g compd A (13.8mmol), 265mg four triphenylphosphines are closed palladium (Pd[PPh
3]
4, 0.229mmol) with 4.87g potassiumphosphate (K
3PO
4, 22.9mmol) place 100mL water and 100ml THF, and reflux and stir.After 18 hours, temperature is reduced to normal temperature, isolates organic layer.By obtaining 4g compound 10 except that the solid that desolvates and recrystallization generates in chloroform/methanol, productive rate is 84%.[M+H]=419
Experimental example 1
To scribble thickness is
The glass substrate of ITO (tin indium oxide, indium tin oxide) film immerse and wherein to be dissolved with in the distilled water of sanitising agent, and use ultrasonic washing.In the case, sanitising agent used herein is the product that is available commercially from Fisher Co., and described distilled water filters twice by the strainer (Filter) that use is available commercially from Millipore Co..ITO washing 30 minutes uses distilled water to repeat 2 ultrasonic washings 10 minutes then.After finishing with distilled water wash,, that products obtained therefrom is dry and be transferred in the plasma body washing machine subsequently by using solvent (for example Virahol, acetone and methyl alcohol) to carry out ultrasonic washing.By using oxygen plasma, then this substrate is transferred in the vacuum deposition machine described substrate washing 5 minutes.
On the ito transparent electrode of preparation thus, deposit by heating under vacuum
Six nitriles, the six azepine benzophenanthrenes (hexanitrile hexaazatriphenylene) of thickness are to form hole injection layer.Under vacuum state, deposit NPB thereon as hole mobile material
Afterwards in the vacuum state deposit
The compound 2 and the doping agent D1 compound as matrix of thickness are as luminescent layer.
On described luminescent layer, by under vacuum state, on this luminescent layer, depositing
The E1 of thickness and form that electronics injects and transport layer.On this electronics injection and transport layer, deposit subsequently
The lithium fluoride of thickness (LiF) and
The aluminium of thickness, thus negative electrode formed.
Experimental example 2
Implement this test in the mode identical with experimental example 1, difference is that deposited compound 77 replaces compounds 2.
Experimental example 3
Implement this test in the mode identical with experimental example 1, difference is that deposited compound 10 replaces compounds 2.
In above method, the sedimentation velocity of organic substance remains on
The sedimentation velocity of lithium fluoride remains on
The sedimentation velocity of aluminium remains on
Comparing embodiment
Implement this test in the mode identical with experimental example 1, difference is, uses following compound [H1] to replace compound 2.
The test-results of experimental example and comparing embodiment is described in the following table 1.
Measurement is at 50mA/cm
2Current density under carry out, and the general non-ring olefin material that replaces known cycloolefin is compared and assesses.In general, can see that the compound that contains cycloolefin has similar luminous efficiency and lower voltage characteristic.
[table 1]
Claims (18)
1. compound by following formula 1 expression:
[formula 1]
Wherein
R
1Be one by-[Ar]
mThe substituting group group that-X represents,
P is an integer among the 0-3, and l is an integer among the 1-4, and m is an integer among the 0-5,
Ar is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S arylene group or a replacement or unsubstituted
2-C
50Divalent heterocyclic group,
Ar ' is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
X is a substituting group group that is selected from following structural formula,
In the said structure formula, Cy is a C replacement or unsubstituted
6-C
50The C that contains N, O or the assorted element of a S aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group,
R
2Be selected from: C replacement or unsubstituted
1-C
40Alkyl group; That replace or unsubstituted C
1-C
40Alkoxy base; That replace or unsubstituted C
2-C
40Alkenyl group; That replace or unsubstituted C
6-C
50Aromatic yl group; That replace or unsubstituted C
6-C
50The arylamines group; The C that contains N, O or the assorted element of S that replace or unsubstituted
2-C
50The heteroaryl amine groups; The C that contains O, N or the assorted element of S that replace or unsubstituted
2-C
50Heterocyclic group; The amino group that replaces; Nitrile group; Nitryl group; Halogen group; And amine groups,
N is an integer among the 0-5, and o is an integer among the 0-10, o be 2 or bigger situation under, each R
2Each other can be identical or different, and
L, m or p be 2 or bigger situation under, Ar, Ar ' or R
1Each other can be identical or different.
2. the compound of claim 1, wherein said compound by formula 1 expression is selected from compound 2-1 to 8-5:
Wherein
Each R
1Identical with the definition in the formula 1, and can be same to each other or different to each other,
Each Ar ' is identical with the definition in the formula 1, and can be same to each other or different to each other.
3. the compound of claim 1, wherein Ar be one by C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10Replace or the unsubstituted C of alkyl silyl-group
6-C
26Arylene group; Or one by C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Divalent heterocyclic group.
5. the compound of claim 1, wherein R
2Be C
1-C
10Alkyl group; Replaced or unsubstituted C by following group
6-C
26Aromatic yl group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group; Or replaced by following group or unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Heterocyclic group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group.
6. the compound of claim 1, wherein m is 0 or 1.
8. the compound of claim 1, wherein Ar ' is for to be replaced or unsubstituted C by following group
6-C
26Aromatic yl group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group; Or following group replaces or unsubstituted and contain O, N or the heteroatomic C of S
2-C
26Heterocyclic group: C
1-C
10Alkyl group, C
6-C
12Aromatic yl group, by C
6-C
12Aromatic yl group replaces or is unsubstituted and contain O, N or the heteroatomic C of S
2-C
12Heterocyclic group, silyl-group or C
1-C
10The alkyl silyl-group.
10. the compound of claim 1, wherein X is selected from following variously, and CY is C
6Aryl, and n is 1 or bigger:
12. the compound of claim 1, wherein X represents following formula, and p is an integer among the 1-3, and Ar ' is a C replacement or unsubstituted
6-C
50The C that contains the assorted element of a N aromatic yl group or a replacement or unsubstituted
2-C
50Heterocyclic group:
14. organic electronic devices, it contains first electrode, second electrode, and one or more organic material layers that place between described first electrode and described second electrode, one or more layers in the wherein said organic material layer comprises among the claim 1-13 each compound.
15. the organic electronic devices of claim 14, wherein said organic material layer comprise that electronics injects or transport layer, described electronics injects or transport layer comprises above-claimed cpd.
16. the organic electronic devices of claim 14, wherein said organic material layer comprises luminescent layer, and described luminescent layer comprises above-claimed cpd.
17. the organic electronic devices of claim 14, wherein said organic material layer comprise hole injection or transport layer, described hole is injected or transport layer comprises above-claimed cpd.
18. the organic electronic devices of claim 14, wherein said organic electronic devices are selected from Organic Light Emitting Diode, organophosphorus optical device, organic solar batteries, organic photoconductor (OPC) and organic transistor.
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